Class BaseEntity<K> (2.4.0)

public abstract class BaseEntity<K> implements Serializable

A base class for entities (key and properties). An entity is a Google Cloud Datastore persistent data object. An entity holds one or more properties, represented by a name (as String) and a value (as com.google.cloud.datastore.Value), and may be associated with a key. For a list of possible values see ValueType. See Also: Google Cloud Datastore Entities, Properties, and Keys

Inheritance

Object > BaseEntity<K>

Implements

Serializable

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Type Parameter

Name	Description
K

Methods

<K>getEntity(String name)

public FullEntity<K> <K>getEntity(String name)

Returns the property value as an entity.

Parameter

Name	Description
name	`String`

Returns

Type	Description
FullEntity<K>

<T>getList(String name)

public List<T> <T>getList(String name)

Returns the property value as a list of values.

Parameter

Name	Description
name	`String`

Returns

Type	Description
List<T>

<V>getValue(String name)

public V <V>getValue(String name)

Returns the Value for the given property name.

Parameter

Name	Description
name	`String`

Returns

Type	Description
V

contains(String name)

public boolean contains(String name)

Returns true if the entity contains a property with the given name.

Parameter

Name	Description
name	`String`

Returns

Type	Description
boolean

equals(Object obj)

public boolean equals(Object obj)

Parameter

Name	Description
obj	`Object`

Returns

Type	Description
boolean

Overrides

Object.equals(Object)

getBlob(String name)

public Blob getBlob(String name)

Returns the property value as a blob.

Parameter

Name	Description
name	`String`

Returns

Type	Description
Blob

getBoolean(String name)

public boolean getBoolean(String name)

Returns the property value as a boolean.

Parameter

Name	Description
name	`String`

Returns

Type	Description
boolean

getDouble(String name)

public double getDouble(String name)

Returns the property value as a double.

Parameter

Name	Description
name	`String`

Returns

Type	Description
double

getKey()

public K getKey()

Returns the associated key or null if it does not have one.

Returns

Type	Description
K

getKey(String name)

public Key getKey(String name)

Returns the property value as a Key.

Parameter

Name	Description
name	`String`

Returns

Type	Description
Key

getLatLng(String name)

public LatLng getLatLng(String name)

Returns the property value as a LatLng.

Parameter

Name	Description
name	`String`

Returns

Type	Description
LatLng

getLong(String name)

public long getLong(String name)

Returns the property value as long.

Parameter

Name	Description
name	`String`

Returns

Type	Description
long

getNames()

public Set<String> getNames()

Returns the properties name.

Returns

Type	Description
Set<String>

getProperties()

public Map<String,Value<?>> getProperties()

Returns the properties.

Returns

Type	Description
Map<String,Value<?>>

getString(String name)

public String getString(String name)

Returns the property value as a string.

Parameter

Name	Description
name	`String`

Returns

Type	Description
String

getTimestamp(String name)

public Timestamp getTimestamp(String name)

Returns the property value as a Timestamp.

Parameter

Name	Description
name	`String`

Returns

Type	Description
com.google.cloud.Timestamp

hasKey()

public boolean hasKey()

Returns true if entity has a non-null key.

Returns

Type	Description
boolean

hashCode()

public int hashCode()

Returns

Type	Description
int

Overrides

Object.hashCode()

isNull(String name)

public boolean isNull(String name)

Returns true if property is an instance of NullValue.

Parameter

Name	Description
name	`String`

Returns

Type	Description
boolean

toString()

public String toString()

Returns

Type	Description
String

Overrides

Object.toString()